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SainSmart DDS120 & DDS140 USB Oscilloscope

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psynapse:
Doctormord,

Thanks for the heads up.  I will download the files when France Telecom repair the lines to our village ... At the moment I have only got 2.5G GSM mobile and a limited download package.

Regards

MengPeng:
I've just plugged my new DDS120 into my Win XP Acer Travelmate 8204WLMi laptop (ca 2006) and can't even get the supplied software to open - it gives me the splash page saying it's v.1.2 and then I get a Windows message saying it had to close the program V6.1.0...  So I looked around for some other software that might run it and came across this blog, which seems to be quite a bit over my head, and I'm hoping someone here can guide me to getting the DDS120 running. 

I read most of the posts, and I saw Bobi's message about Ledioskope, so I downloaded and extracted the Ledioskope zip file and opened the OpenHantek program but that's as far as I got.  There's an error message on the bottom of the screen saying "Couldn't open device 005:003: Operation not supported or unimplemented on this platform".  Can anybody help me out here?  It's my first oscilloscope and I'd really like to get it to work!

bobi_dunkel:
Hi, and welcome to the forum.
Did you installed drivers for dd120? Any errors?. For sainsmatrt program to run correctly you have to install net.framework2. It is on cd.
Also plug dds120 on some win8 machine. Drivers are already installed. Then start ledioscope it will work. Then we can help you install it on acer.

MengPeng:
Hi Bobi, and thanks for your reply.  It inspired me to tackle the DDS120 again, and I’ve tried a bunch of things but the DDS120 programs (both v1.2 and v1.3) still crash on opening so I’m puzzled about that, and also OpenHantek still gives me "Couldn't open device 005:003: Operation not supported or unimplemented on this platform" .  I'm puzzled! 

To answer your questions, yes I did install the drivers and didn’t get an error message.  When I connected the DDS120, I got the “Found New Hardware” wizard and pointed it to the drivers in the package I downloaded from the site mentioned in the Amazon product description.  (I thought those would be the latest version, but that’s where I got v1.2 of the DDS120 software package, and the installation cd that came with the unit has v1.3 so I guess that’s later.) 

The DDS120 shows up in Device Manager as "WinUsb Device (NULL)" under "Universal Serial Bus devices".  I don't know what (NULL) means.  There’s no yellow “!” or “?” showing, so I think the driver installed successfully.  Does your unit show up as "WinUsb Device (NULL)"?

I did install .NET 2.0 using the dotnetfx20 installer on the installation cd.  To get that to work I first had to uninstall the .NET frameworks 3.5, 3.0, and 2.0.  The DDS120 programs (both v1.2 and v1.3) still crash on startup and OpenHantek (Ledioskope) can't open the device.

All of this happened while DDS120 was plugged into a powered USB hub, but the same thing happens when I plug directly into the laptop’s USB port.  I am using the cable supplied with the DDS120.

Sorry about the long post, but I wanted to make sure I covered all possible sources of error!  I don’t have a Windows 8 machine to play with but am thinking of getting one.  Anyway, it’s nice to know others have got this thing to work properly, so I’ll persevere but would appreciate any ideas you might have!

Regards,
Cam

MengPeng:
Just a quick update - I have an HP Stream 7 running Win 8.1 and the DDS120 software runs fine on it, even without the DDS120 hardware connected, so I think my aging Acer might be the problem of the crashing but I don't know why.  Anyway, a possible work around is an OTG cable to a Powered USB  hub, plug the DDS120 into that, see if that works.  Ordered an OTG cable, will update you all when I know more...

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